<s>
File	B-Language
System	I-Language
Visualizer	I-Language
,	O
also	O
known	O
as	O
fsv	O
,	O
is	O
a	O
3D	O
file	O
browser	O
using	O
OpenGL	B-Application
,	O
written	O
by	O
Daniel	O
Richard	O
G	O
.	O
It	O
is	O
a	O
clone	O
of	O
SGI	O
's	O
fsn	B-Device
file	B-Application
manager	I-Application
for	O
IRIX	B-Operating_System
systems	O
,	O
aimed	O
to	O
run	O
on	O
modern	O
Linux	B-Application
and	O
other	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
It	O
is	O
capable	O
of	O
representing	O
file	B-Application
systems	I-Application
in	O
two	O
ways	O
:	O
</s>
<s>
MapV	O
mode	O
:	O
files	O
and	O
directories	O
are	O
represented	O
as	O
cuboids	B-General_Concept
of	O
equal	O
height	O
,	O
with	O
the	O
size	O
of	O
the	O
cuboid	B-General_Concept
representing	O
the	O
size	O
of	O
the	O
file	O
or	O
directory	O
.	O
</s>
<s>
The	O
mouse	O
can	O
be	O
used	O
to	O
rotate	O
the	O
3D	O
representation	O
of	O
the	O
file	B-Application
system	I-Application
,	O
and	O
an	O
"	O
Eagle	O
Eye	O
"	O
function	O
shows	O
the	O
representation	O
from	O
an	O
overhead	O
view	O
.	O
</s>
<s>
File	B-Language
System	I-Language
Visualizer	I-Language
is	O
also	O
capable	O
of	O
manipulating	O
the	O
files	O
and	O
directories	O
it	O
displays	O
.	O
</s>
